US3466685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuously extensible and roll-up reinforced structure
Assignee: Individual
•
Filing: 1967-08-28
•
Granted: 1969-09-16
•
Expires: 1987-08-28
Abstract
No abstract record available.
Inventors
- 👤 Eli I Robinsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:47
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/005; E01; E01D; E01D15/00; E01D15/12; E01D15/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2738039A
Cited
US2812769A
Cited
GB865780A
Cited
US3098229A
Cited
US3147727A
Cited
US3252173A
Cited
US3258800A
Cited
US3372412A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |